2017 MERCEDES-BENZ SLC warning light

Display messages
Possible causes/consequences and P Solutions
The yellow $ warning lamp lights up. The red I (US Ao nl y)
or $ (Canada only) indicator lamp flashes for about te ns econds
after th ee lectric parking brak eh as been applie dorr eleased. It then
goe so ut or remain sl it .
The electric parking brak eism alfunctioning .X
Switc ho ff th ei gnition and tur nitb ac ko n.X
Apply th ee lectric parking brake.
If it is no tp ossibl etoe ng age th ee lectric parking brake:X
Shift th et ra nsmission to position P .X
Visit aq ualified specialist workshop .
If it is no tp ossibl etor elease th ee lectric parking brake:X
Releas et he electric parking brak ea utomatically ( Y
page 132).
If th ee lectric parking brak es ti ll canno tber eleased:X
Consult aq ualified specialist workshop .
The yellow $ warning lamp lights up. If you manually apply or
release th ee lectric parking brake, th er ed I (US Ao nl y) or $
(Canada only) indicator lamp flashes .
The electric parking brak eism alfunctioning .Itisn ot possibl etoa pply
th ee lectric parking brak em anually.X
Shift th es elector lever to P ,ast he electric parking brak eisn ot
applie da utomatically. X
Visit aq ualified specialist workshop .
I (USA
only)
$ (C anada
only)
Parkin gB rake Inop‐
erativ e The yellow $ warning lamp lights up. The red I (US Ao nl y)
or $ (Canada only) indicator lamp flashes for about te ns econds
after th ee lectric parking brak eh as been applie dorr eleased. It then
goe so ut or remain sl it .
The electric parking brak eism alfunctioning ,e .g .b ecause of over-
voltag eoru ndervoltage. X
Remove th ec aus ef or th eo vervoltage or undervoltage, e.g. by
charging th eb attery or restarting th ee ng ine.X
Engage or release th ee lectric parking brake.
If it remain si mpossible to apply or release th ee lectric parking brake:X
Switc ho ff th ei gnition and tur nitb ac ko n.X
Engage or release th ee lectric parking brake.
If th ee lectric parking brak es ti ll canno tber eleased:X
Consult aq ualified specialist workshop .
If th ee lectric parking brak es ti ll canno tbea pplied:X
Visit aq ualified specialist workshop .Display messages 18 3
On-boar dc omputer an dd isplays Z

Display messages
Possible causes/consequences and P Solutions
The yellow $ warning lamp lights up and th er ed I (US Ao nl y)
or $ (Canada only) indicator lamp flashes .
It is no tp ossibl etoa pply th ee lectric parking brak em anually.X
Shift th et ra nsmission to position P .X
Visit aq ualified specialist workshop .
' (USA
only)
M (C anada
only)
Check Brake Fluid
Level There is no te no ugh brak ef luid in th eb rak ef luid reservoir .
In addition ,t he ' (US Ao nl y) or M (Canada only) warning lamp
lights up in th ei nstrumen tc luste ra nd aw arning tone sounds.
G WARNIN G
The braking effec tm ay be impaired.
There is ar is kofana ccident.X
Pull ove ra nd stop th ev ehicl es afely as soo nasp ossible, payin g
attention to roa da nd traffic conditions. Do no tc ontinue drivin g
under any circumstances. X
Secur et he vehicl ea gainst rollin ga way ( Y
page 131).X
Consult aq ualified specialist workshop .X
Do no ta dd brak ef luid .T his does no tc orrect th em alfunction .
& Check Brake Pad Wea r The brak ep ads/linings hav er eached their wear limit.X
Visit aq ualified specialist workshop .
S Inoperative On eorm or em ain features of th em brace system are malfunctioning .X
Hav et he mbrace system checke dataq ualified specialist work-
shop.
PRE-SAFE Inopera‐
tiv e See Operator' s
Manual Importan tf unction sofP RE-SAF E ®
hav ef ailed. Al lo th er occupant
safet ys ystems ,e .g .a ir bags ,r emain available.X
Visit aq ualified specialist workshop immediately.
Active Brake Assist
Functions Currently
Limite dS ee Opera‐
tor's Manual Active Brake Assis tist em porarily inoperative.
Possibl ec auses are: R
th er adar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cr adiation emitted by nearby TV or radi os ta tion so r
other source sofe lectromagneti cr adiationR
th es ystem is outside th eo perating temperature rangeR
th eo n-bo ar dv oltag eist oo low.
Whe nt he causes state da bov enol onger apply, th ed isplay message
disappears.
Active Brake Assis tiso perational again .
If th ed isplay message does no td isappear :X
Pull ove ra nd stop th ev ehicl es afely as soo nasp ossible, payin g
attention to roa da nd traffic conditions.X
Secur et he vehicl ea gainst rollin ga way ( Y
page 131).X
Restart th ee ng ine.184
Display messages
On-boar dc omputer an dd isplays

Display messages
Possible causes/consequences and P Solutions
Active Brake Assist
Functions Limite d
See Operator' sM an ‐
ual Active Brake Assis tisu navailable due to am alfunction .X
Visit aq ualified specialist workshop .
Radar Sensor s Dirty
See Operator' sM an ‐
ual The radar sensor system is malfunctioning .
Possibl ec auses are: R
Dirt on sensor sR
Heavy rain or snow R
Whe nd rivin goni nter-urban roads without traffic or infrastructure,
e.g. in desert-like area s
At least on ed rivin gs ystem or drivin gs afet ys ystem is malfunctioning
or is temporarily unavailable :R
Active Brake Assis tR
Distanc eP ilo tD ISTR ONI C
Once th ec aus eoft he problem is no longer present, th ed rivin ga nd
drive safet ys ystems will be available again .T he display message dis-
appears.
If th ed isplay message does no td isappear :X
Pull ove ra nd stop th ev ehicl es afely as soo nasp ossible, payin g
attention to roa da nd traffic conditions.X
Secur et he vehicl ea gainst rollin ga way ( Y
page 131).X
Switc ho ff th ee ng ine.X
Clean all sensor s( Y
page 240).X
Restart th ee ng ine.
The display message disappears.
u SRS Malfunction Ser ‐
vic eR equired The restrain ts ystem is malfunctioning .T he u warning lamp also
lights up in th ei nstrumen tc luster.
G WARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th ee vent of an accident, may no tbet ri ggered .
There is an increased ris kofi njury.X
Visit aq ualified specialist workshop immediately.
Fo rf urther information about th er estrain ts ystem, see ( Y
page 37) .
u Front Lef tM alfunc‐
tio nS ervic e
Required or Fr on t
Right Malfunction
Servic eR equired The restrain ts ystem has malfunctioned at th ef ront on th el ef torr ight .
The u warning lamp also lights up in th ei nstrumen tc luster.
G WARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th ee vent of an accident, may no tbet ri ggered .
There is an increased ris kofi njury.X
Visit aq ualified specialist workshop immediately. Display messages 18 5
On-boar dc omputer an dd isplays Z

Display messages
Possible causes/consequences and P Solutions
u Lef tS id eC urtai n
Airbag Malfunction
Servic e
Required or Ri gh t
Sid e Curtai n Airbag
Malfunction Servic e
Required There is am alfunction in th el eft-han da nd/o rr ight-hand head bag.
The u warning lamp also lights up in th ei nstrumen tc luster.
G WARNIN G
The lef torr ight head bag may either be triggered unintentionally or, in
th ee vent of an accident, may no tbet ri ggered .
There is an increased ris kofi njury.X
Visit aq ualified specialist workshop immediately.186
Display messages
On-boar dc omputer an dd isplays

General notes The multimedia system section in this manual
describes the basi cp rinciples for operation.
More information can be found in the Digital
Operator's Manual.
Important safety notes
G WARNING
If you operate information systems and com-
municatio ne quipment integrated in the vehi-
cle whil ed riving, you wil lbed istracted from
traffic conditions. You could also lose control
of the vehicle .T here is ar isk of an accident.
Only operate the equipment when the traffic
situation permits. If you are not sure that this
is possible, park the vehicle paying attention
to traffic conditions and operate the equip-
ment when the vehicle is stationary.
You must observe the lega lr equirements for the
country in which you are currently driving when
operating the multimedia system.
The multimedia system calculates the route to
the destination withou tt aking the following into
account, for example: R
traffic lights R
stop and yield signs R
parking or stopping restrictions R
road narrowing R
other road and traffic rule sa nd regulations
The multimedia system may give incorrect nav-
igation recommendations if the actual street/
traffic situation does not correspond with the
digital map's data.
For example: R
ad iverted route R
the road layout or the direction of ao ne-way
street has been changed
For this reason, you must alway so bserve road
and traffic rule sa nd regulations during your
journey. Roa da nd traffic rule sa nd regulations
alway sh ave priority over multimedia system
driving recommendations.
Navigation announcements are intended to
direct you whil ed riving withou td iverting your
attention from the road and driving. Please alway su se this feature instead of con-
sulting the map display for directions. Looking
at the icons or map display can distract you from
traffic conditions and driving, and increase the
risk of an accident.
This equipment complies with FCC radiation
exposure limits set forth for uncontrolled equip-
ment and meets the FCC radi of requency (RF)
Exposure Guidelines in Supplement CtoO ET65.
This equipment has very low level sofRFe nergy
that is deeme dtoc omply withou tm aximum
permissive exposure evaluation (MPE). How-
ever, it is recommended to insta ll it at ad ista
nce
of at least 8i nches (approx. 20 cm) betwee nt he
radiation source and ap erson's body (not
including limb ss uch as hands, wrists, feet and
legs).
G WARNING
Modifications to electronic components, their
software as wel lasw iring can impair their
function and/or the function of other net-
worked components. In particular, systems
relevant to safety could also be affected. As a
result, these may no longer function as inten-
ded and/or jeopardize the operating safety of
the vehicle .T here is an increase dr isk of an
accident and injury.
Never tamper with the wiring as wel lase lec-
tronic components or their software .Y ou
shoul dh ave all work to electrica la nd elec-
tronic equipment carried out at aq ualified
specialist workshop.
If you make any changes to the vehicle elec-
tronics, the general operating permit is ren-
dered invalid.
Function restrictions
For safety reasons, some functions are restric-
ted or unavailable whil et he vehicle is in motion.
You wil ln otice this, for example, because either
you wil ln ot be abl etos elect certain menu items
or am essag ew il la ppear to this effect.Function restrictions 211
Multimedia system Z

X
To open: slid ec over D back.X
To remove the insert: slid ec atch C inwards
on both side sint he direction of the arrow.X
Remove the cup holde ri nsert upwards.X
To re-install the insert: place the insert in
the stowag es pace.X
Slide catch C outwards in the direction of the
arrow unti lite ngages.
Yo uc an remove the cup holde ri nsert for clean-
ing .C lean with clear, lukewarm water only.
Bottl eh olderObserve the "Important safety notes "i nt he
"Stowage compartments" section ( Y
page 217).
! Make sure tha ta ny bottle sw eighin gm ore
tha n1 .1 lb(0.5 kg) tha ta re stored in the bottle
holder, res tont he vehicl ef loor. The bottle
holde rc ould otherwise be damaged.
X
Press the outer edge of button C and slid ei n
the direction of the arrow unti lt he bottle fits
into the opening. X
Insert the bottle into the bottle holder.
The bottle holde riss ui tabl ef or bottle sw it ha
capacity of 25 fl. oz. (0.7 l) to 54 fl. oz. (1.5 l).
The bottle holde rd oe sn ot secur et he bottles; it
merel yp revents the mf ro mt ipping over.
Sun visors
Overview
G WARNING
If the mirro rc ove roft he vanity mirro risf olded
up when the vehicl eisinm otion, yo uc ould be blinded by incident light. There is ar is kofa n
accident.
Alway sk ee pt he mirro rc ove rf olde dd ow n
whil ed riving.
C
Mirro rl ig htD
Bracket

Cigarett el ighter
G WARNING
You can burn yourself if you touch th eh ot
heating elemen tort he socke toft he cigarette
lighter.
In addition ,f lammable material sc an ignite if:R
th eh ot cigarette lighter fallsR
ac hi ld hold st he hot cigarette lighter to
objects, for example
Ther eisar is koff ir ea nd injury.
Always hold th ec igarette lighter by th ek no b.
Always mak es ure that th ec igarette lighter is
out of reac hofc hi ldren. Never leave children
unsupervised in th ev ehicle.
Your attentio nm ust always be focused on the
traffic conditions. Only use th ec igarette lighter
when road and traffic condition sp ermit.X
Turn th eS ma rtKey to position 2 in th ei gnition
loc k( Y
page 115).X
To open: push th el ower sectio nofc over C .
The ashtray opens. X
Press in cigarette lighter D .
Cigarett el ighter D will pop out automatically
when th eh eating elemen tisr ed-hot.
12 Vs ockets
General notes X
Turn th eS ma rtKey to position 1 in th ei gnition
loc k( Y
page 115).
The sockets can be used for accessorie sw it ha
maximum draw of 18 0W( 15 A). Accessories
include suc hi tems as chargers for mobile
phones. If you use th es ockets for lon gp eriods when the
engin eiss witched off ,t he battery may dis-
charge.
i An emergenc yc ut-out ensure st ha tt he on-
boar dv oltage does no td ro pt oo low. If th eo n-
boar dv oltage is to ol ow, th ep ower to the
sockets is automaticall yc ut .T his ensures
that there is sufficient power to start the
engine.
Socket in th ef ro nt center console X
To open: push th el ower sectio nofc over C .
The stowage compartmen to pens.X
Lif tupt he cover of socket D .
mbrace
General notes You must have al icens ea greement to activate
th em brace service. Mak es ure that your system
is activated and operational. To log in, pres st he

X
Reac hi nt ot he gap, pull hoo dc atch handle D
up and lift hoo d C .
If you lift th eh oo dbya pproximately 15 in
(40 cm), th eh oo diso pened and held open
automatically by th eg as-filled strut .
Closin gt he hoodX
Lowe rt he hoo da nd let it fall from ah eight of
approximately 8in( 20 cm).X
Chec kt ha tt he hoo dh as engage dp roperly.
If th eh oo dc an be raised slightly, it is no t
properly engaged. Open it again and close it
wit hal ittl em or ef orce .
Engine oil
Notes on th eo il levelDependin gony our driving style, th ev ehicl e
consumes up to 0. 9USq t( 0.8 liters )ofo il pe r
60 0m iles (1,000 km). Th eo il cons umption may
be higher than th is when th ev eh icle is ne wori f
you frequently driv eath igh engin es peeds.
Depen din gont he engine, th eo il dipst ick may be
in ad ifferent location.
When checking th eo il leve l:R
park th ev eh icle on al eve ls urfaceR
th ee ng in es hould be swit ched off for appr ox-
imately fiv em in ute sift he engin eisatn orma l
operatin gt em pe ratureR
if th ee ng in eisn ot at normal operatin gt em -
perature, e.g .ift he engin ew as on ly started
brie fly, wait about 30 minute sb efore carrying
out the measurement Checking the oil level using the oil dip-
stick
G WARNING
Certain component sint he engine compart-
ment ,s uch as the engine, radiator and parts
of the exhaust system, can become very hot.
Workin gint he engine compartment poses a
risk of injury.
Where possible, let the engine cool down and
touch only the component sd escribed in the
following.
Example X
Pull oil dipstick C out of the dipstick guide
tube. X
Wipe off oil dipstick C .X
Slowly slide oil dipstick C into the guide tube
to the stop, and take it out again.
If the level is between MIN mark